212120030112122 has 16 divisors (see below), whose sum is σ = 347108351454144. Its totient is φ = 96417404496000.

The previous prime is 212120030112083. The next prime is 212120030112167. The reversal of 212120030112122 is 221211030021212.

It is a junction number, because it is equal to n+sod(n) for n = 212120030112094 and 212120030112103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36803654 + ... + 42175217.

It is an arithmetic number, because the mean of its divisors is an integer number (21694271965884).

Almost surely, 2^{212120030112122} is an apocalyptic number.

212120030112122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212120030112122 is a deficient number, since it is larger than the sum of its proper divisors (134988321342022).

212120030112122 is a wasteful number, since it uses less digits than its factorization.

212120030112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79100965.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212120030112122 its reverse (221211030021212), we get a palindrome (433331060133334).

The spelling of 212120030112122 in words is "two hundred twelve trillion, one hundred twenty billion, thirty million, one hundred twelve thousand, one hundred twenty-two".